5isolutionsinc.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
5isolutionsinc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 19:55:00 UTC · ↺ Refresh

MX Hostnames

  • 5isolutionsinc-com.mail.protection.outlook.com

MX Priorities

  • 5isolutionsinc-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 198.49.23.144 (no PTR)
  • 198.185.159.144 (no PTR)
  • 198.185.159.145
  • 198.49.23.145

Mail Server IPs

  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA hans.ns.cloudflare.com dns.cloudflare.com 2396834039 10000 2400 604800 1800
Primary NS (mname)
hans.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396834039
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

nelly.ns.cloudflare.com
hans.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:64.135.10.190 include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • 71u5d6e8ft547a1v8ul5vpqkms
  • MS=ms22558389
  • SPFv=spf1 a mx ip4:64.135.10.190 include:spf.protection.outlook.com ~all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for 5isolutionsinc.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits